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Sifting Martian Samples

This image shows the location of the 150-micrometer sieve screen on NASA's Mars rover Curiosity, a device used to remove larger particles from samples before delivery to science instruments. The sieve lies within the Collection and Handling for In-situ Martian Rock Analysis (CHIMRA) structure, which is on the end of the rover's turret, or arm.

This picture was taken by the rover's Mast Camera on Sol 81, the 81st Martian day of the mission (Oct. 28, 2012). The color has been white-balanced to show the scene as it would appear on Earth.